| 单词 | Joseph John Thomson |
| 释义 | Joseph John Thomson (once / 2363863 pages) n WORD FAMILY Joseph John Thomson USAGE EXAMPLESAnd in 1897 Joseph John Thomson showed experimentally that electrons really do exist. Scientific American(May 21, 2012) n English physicist who experimented with the conduction of electricity through gases and who discovered the electron and determined its charge and mass (1856-1940) Syn|Exp Sir Joseph John Thomson, Thomson physicist a scientist trained in physics |
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